G1 vs Walker S2: which robot wins?
Unitree's G1 against UBTech's Walker S2 — price, capability, availability, and a verdict you can act on.
| G1 | Walker S2 | |
|---|---|---|
| EST. PRICE | $13,500 | Enterprise pricing |
| HEIGHT | 4"-3"- / 130 cm | ~5′6″ / 170 cm* |
| WEIGHT | ~35 kg | ~65 kg* |
| PAYLOAD | 3 kg | ~15 kg* |
| RUNTIME | ~2 hrs | Hot-swappable battery (self-swap) |
| DEXTERITY | 23""43 DOF depending on config | Dual 7-DOF arms* |
| AVAILABILITY | Buy today | Industrial only |
| WHICHBOT SCORE | 7.2 / 10 | 8.2 / 10 |
| OUR TAKE | The cheapest way to own a real humanoid right now. Smaller and more of a developer platform than a housekeeper - but it ships. | The factory workhorse from China’s most established humanoid maker — famous for swapping its own battery to work around the clock. |
* Prices are estimates from public statements and filings. Availability changes weekly.
Detailed comparison: G1 vs Walker S2
G1 scores 7.2/10 in our independent evaluation; Walker S2 scores 8.2/10. That 0.9999999999999991-point gap is real but not decisive — G1 may still be the right fit depending on your use case.
G1 is best for: Tinkerers, developers, and early adopters who want hardware in hand now. Walker S2 is best for: Businesses evaluating proven factory humanoids with 24/7 ambitions.
Our scoring weighs five factors: autonomous capability, independent verification (third-party evidence scores higher than manufacturer claims), commercial deployment scale, price-to-capability ratio, and real-world availability today. Neither robot here is scored on marketing alone. G1 and Walker S2 are both worth evaluating — the right call depends on which robot's documented strengths match your actual workflow.
CHOOSE THE G1 IF…
- Tinkerers, developers, and early adopters who want hardware in hand now.
- You can actually buy it, today
- Lowest price of any real humanoid
CHOOSE THE WALKER S2 IF…
- Businesses evaluating proven factory humanoids with 24/7 ambitions.
- Autonomous battery self-swap enables near-continuous operation
- Real deployments: auto plants, logistics, aircraft assembly trials